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Are you wasting hours on manual reports or messy spreadsheets? I can help you save time and money by building clean, automated Excel solutions. I specialize in: Dynamic Excel dashboards with pivot tables & slicers Data cleaning and formatting (VLOOKUP, INDEX/MATCH, Power Query) Automating tasks with formulas & macros Financial models and budgeting tools Custom Google Sheets scripts Why work with me: 8+ years of hands-on Excel experience Clear communication and on-time delivery Fluent English & attention to detail Let’s make your data work smarter — not harder!

🚀 Hey! I'm Nazar — a Top Rated Google Sheets, Apps Script and Python automation developer helping founders and ops teams stop wrestling with spreadsheets and start trusting their data. From Apps Script workflows to Data Studio and Tableau dashboards. Whether you need to migrate from Excel to Google Sheets, build complex automations with Apps Script, or visualize data in Tableau or Looker (Google Data Studio), I deliver precision and efficiency. Key Areas of Expertise I bring advanced technical skills to every project, with a heavy focus on the Google Sheets ecosystem: Here’s what I bring to the table: Key Areas of Expertise: ➼ Advanced Google Sheets Development: I turn standard Google Sheets into powerful, custom-built databases and tools. ➼ Custom Apps Scripts: I write clean Google App Scripts to automate workflows, ensuring your business runs on autopilot. ➼ Dashboards (Tableau & Looker (Google Data Studio)): I visualize data from Google Sheets and SQL sources into stunning interactive dashboards. ➼ Excel to Google Sheets Migration: I seamlessly convert complex Excel logic into cloud-based Google Sheets workflows. ➼ Apps Scripts Integrations: Using App Scripts, I connect your sheets to 3rd party APIs for real-time data updates. ➼ Data Cleaning in Google Sheets: I organize and structure messy data so your Google Sheets perform flawlessly. What I Can Do for You I go beyond simple formulas. I engineer solutions that solve real business problems using Google Sheets and App Scripts: ➼ Automate Repetitive Tasks: I use App Scripts to trigger emails, generate PDF reports, and move data automatically. ➼ Fix Broken Google Sheets: If your Google Sheets are slow or broken, I will optimize them for speed and accuracy. ➼ Build Custom User Interfaces: I can create sidebars and menus within Google Sheets using Google Apps Script for a better user experience. ➼ Advanced Financial Modeling: I build robust financial models and calculators directly inside Google Sheets. ➼ Debug Code: I can troubleshoot and fix existing App Scripts that are throwing errors. Common Projects My portfolio is built on successful Google Sheets and automation deliverables: ➼ Google Sheets Inventory Management Systems ➼ Automated CRM built with Google Apps Script ➼ Dynamic Tableau and Looker Studio (Google Data Studio) Reports ➼ Google Sheets Quoting & Estimating Calculators ➼ Apps Scripts Web Scrapers and Data Fetchers ➼ Google Sheets API Connectors (OpenAI, Slack, etc.) Let's collaborate to maximize the power of Google Sheets and Google Apps Script for your business. I am ready to turn your data into your most valuable asset! ⭐️ As an expert in Google Sheets automation, I provide robust solutions using Google Apps Script and the Google Sheets API. Whether you need a complex Google Sheets script for data processing, a custom Google Sheets dashboard, or automated Google Ads scripts, I can help you maximize your productivity. I specialize in Google Apps Script and JavaScript to build custom automation workflows that bridge the gap between Google Sheets and the broader Google Workspace ecosystem. By streamlining repetitive data tasks and integrating cloud-based tools, I have helped clients reduce manual entry time by over 80% and reach a level of operational efficiency that allows them to scale without increasing headcount. My focus is always on delivering clean, scalable code that transforms complex spreadsheets into powerful, automated business engines. As a skilled data analyst, I specialize in transforming complex datasets into actionable insights through advanced data visualization and robust SQL querying. I leverage tools like Tableau and Power BI to create interactive dashboards that have consistently helped my clients reach a 20% increase in operational efficiency by identifying key performance bottlenecks. My goal is to bridge the gap between raw numbers and strategic decision-making to drive measurable growth for your business. As a specialized Google Sheets developer and designer, I build high-performance Google Sheets dashboards that transform complex data into clear, actionable insights. I leverage advanced Google Sheets script and Zapier integrations to create seamless Google Sheets automation that eliminates manual bottlenecks and saves hours of work. I used these custom solutions to help a recent client reach a 30% improvement in PPC ROI by providing real-time visibility into their performance metrics. My goal is to deliver scalable, professional tools that simplify your data management and drive measurable growth. As a dedicated Tableau developer, I specialize in bridging the gap between raw data and strategy as a data analyst using Tableau. My background as a Tableau expert allows me to prioritize clean Tableau design, creating every Tableau dashboard to be as intuitive as it is powerful for executive-level decision-making.

I am GIS specialist with 15+ years of professional experience. Core skills: • Creation and processing of geospatial data, including custom datasets and open sources such as OpenStreetMap (OSM) • Geoprocessing and model automation • Spatial data management and analysis in PostgreSQL/PostGIS • Geocoding and advanced spatial analytics • Data format conversion (KML, GeoJSON, Shapefile, and others) • Georeferencing of historical maps and drawings • Custom Mapbox styles and interactive web-map design • Satellite imagery analysis, NDVI calculation, and Digital Elevation Model (DEM) generation • Data cleaning and spatial data analysis for high-quality results • Clear, engaging visualization of complex spatial information I am currently expanding my expertise in modern web cartography to deliver interactive, web-based mapping solutions. I am passionate about transforming spatial data into clear, insightful maps and delivering accurate results on time.

Experienced data analyst with 9+ years on Upwork and 160+ successful projects in various industries, including pharma, healthcare, finance, sales, marketing, inventory, retail, advertising, and more. Let’s turn your data into visual insights that drive action! ✅ WHAT I OFFER: ✔️ Interactive dashboards (Power BI & Excel): • Sales & performance analysis (MTD, YTD, QTD, MoM, YoY, Actual vs Budget) • Dynamic filters, drill-downs, slicers, timelines, bookmarks • KPI cards, conditional formatting, custom visuals ✔️ Advanced Excel solutions: • Pivot & Power Pivot tables, VBA automation • Custom formulas, validation logic, formatting • Scenario modeling and what-if analysis ✔️ Ad-hoc reporting & analysis: • Dashboards tailored to unique business needs • One-time reports or ongoing support. ✔️ ETL & modeling: • Data cleaning in Power Query • Efficient data modeling with relationships and DAX • Integration with SharePoint, CSVs, APIs, and basic SQL queries for data extraction ✔️ Statistical & forecasting models: • Trend projections, regression, cohort analysis • Customer lifetime value, churn, attrition, acquisition metrics ✅ WHAT TOOLS I USE: • Excel (Pivot & Power Pivot, VBA, advance formulas), • Power BI (Desktop & Service), • Power Query, • DAX, • Basic SQL (Oracle SQL, Azure SQL) • Google Sheets From quick tasks to long-term analytics partnerships — I’m here to make your data work smarter. ✅ WHAT MY CLIENTS SAID (taken from my Upwork Work History): • "Nataliia has fantastic skills in building insightful and user-friendly dashboards. Her communication is excellent, and she delivers results with an impressively fast turnaround. I will definitely work with her again!" (USA) • "Nataliia is a fantastic professional, she was of great help in supporting the creating of a relatively complex Power BI dashboard. She has a very good knowledge on data modelling and the use of Measures and use of DAX. She also provided nice suggestions and the communication was great through the project. Highly recommended." (Spain) • "Nataliia is the first person I started working with on Upwork, and now years later, with many new experiences, she's still the best. Thank you!"(Belgium) • "Nataliia did an amazing job with our project. She created an Excel Macro tool even better than we had expected. The report that took hours to create now takes only a second with the tool Nataliia created for us. She is really good at understanding client needs, has amazing Excel/VBA skills, and delivers on time. Plus, very polite and professional. We highly recommend Nataliia and wish her success! Thank you Nataliia, it was a pleasure working with you!" (USA-Sweden) • "Nataliia cares more about getting your job done perfectly than you probably do! She is excellent." (USA) • "Nataliia has delivered a very large model on very tight deadlines. Yet, she has suggested new ways to improve the model and enhance features I had not anticipated. She works very independently and is very dedicated to meeting our deadlines - which were extremely tight this time. Highly recommend Nataliia!" (USA) • "Nataliia put together a comprehensive solution that helped us solve the problem going forward for our organization. I also appreciated her putting together supporting documentation for training." (USA)

Most freelancers simply enter data. I deliver clean, structured, verified Data Entry work that businesses can actually use without spending another 10 hours fixing formatting mistakes 😉 👋If you’re looking for accurate Data Entry, Shopify Product Listing support, Data Processing, or large-scale database management, our agency is here for you. We help companies organize messy information, process high-volume records, maintain product databases, and handle repetitive data entry tasks with speed, structure, and quality assurance. Our agency specializes in: ✔️ Data Entry ✔️ Shopify Product Listing ✔️ Data Processing ✔️ Microsoft Excel & Google Docs management ✔️ Product uploads & catalog organization ✔️ AI data validation & quality assurance ✔️ Data Collection & Data Extraction ✔️ Copy & Paste projects ✔️ Data Management ✔️ Product Description formatting ✔️ Typing & Virtual Assistance support ✔️ Transaction Data Entry Whether you need ongoing data entry, Shopify product listing updates, spreadsheet cleanup, or large-volume data processing — we can support your business with reliable long-term execution. 🚀 Here’s how we can help: 📝 Data Entry for spreadsheets, databases & CRM systems 🛒 Shopify Product Listing & Shopify Product Listings management 🏷️ Shopify Product Listing with Product Description formatting 📊 Data Processing & spreadsheet formatting 🧹 Data cleaning, AI data validation & Accuracy Verification 📋 Data Collection, Data Extraction & Data Mining 📎 Copy & Paste tasks, Typing & document processing 📈 Data Analysis, data analyst & structured reporting support 🗃️ Data Management & database maintenance 🔍 Data Scraping & online Data Collection 💼 Virtual Assistant for your repetitive admin tasks 📑 Transaction Data Entry & manual verification 🚀 Shopify Product Listings optimization & uploads 📊 Microsoft Excel reporting & Data Processing workflows 🛒 Bulk Shopify Product Listing & catalog updates 🧠 Accuracy Verification, quality assurance processes & AI data validation 📂 PDF to Microsoft Excel & Google Docs conversion 📋 Lead Generation research as part of structured Data Collection projects 📄 Woocommerce product listing & Wordpress data entry Why clients choose our agency for Data Entry and Shopify Product Listing projects: ✅ High-accuracy data entry with strong quality assurance ✅ Scalable team for large-volume data entry projects ✅ Fast turnaround without sacrificing accuracy verification ✅ Clean Microsoft Excel formatting & organized data processing ✅ Reliable Shopify product listing support for growing stores ✅ Strong communication & long-term consistency ✅ Experience with AI data validation workflows ✅ Structured data management processes for ongoing operations We regularly handle: ✔️ thousands of Shopify Product Listings ✔️ large-scale Data Entry projects ✔️ repetitive Copy & Paste workflows ✔️ Microsoft Excel database updates ✔️ Data Collection & Data Extraction tasks ✔️ Product description formatting ✔️ Transaction data entry operations ✔️ Ongoing data processing support Some results we’re proud of: 📊 1M+ rows processed in Microsoft Excel 🛒 Thousands of Shopify Product Listings updated and organized 🏢 50,000+ company records processed through Data Entry workflows 📋 Hundreds of structured Data Collection projects completed 🔍 Large-scale Data Mining & Data Extraction support delivered ⭐ Long-term partnerships with 250+ clients 🚀 High-volume Data Processing projects completed with consistent quality assurance If you need dependable support for Data Entry, Shopify Product Listing or Data Processing tasks — click the Invite button and let’s discuss your project 🚀

𝟏𝟐+ 𝐲𝐞𝐚𝐫𝐬 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | 𝟐𝟎𝟎+ 𝐬𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 | 𝐏𝐡𝐲𝐬𝐢𝐜𝐬 & 𝐌𝐚𝐭𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐬 + 𝐄𝐜𝐨𝐧𝐨𝐦𝐢𝐜𝐬 & 𝐏𝐬𝐲𝐜𝐡𝐨𝐥𝐨𝐠𝐲 𝐛𝐚𝐜𝐤𝐠𝐫𝐨𝐮𝐧𝐝 With over 12 years of experience as a data analyst across 200+ successful projects, I've established myself as a trusted analytics partner for both business professionals and academic researchers. My background in physics, mathematics, and statistics, complemented by studies in economics, sociology, and psychology, gives me a multidisciplinary perspective that enables me to extract meaningful insights from any dataset. 𝐌𝐲 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 & 𝗔𝗻𝗮𝗹𝘆𝘀𝗶𝘀 𝗧𝗼𝗼𝗹𝘀: R (primary tool), MPlus, Excel, SPSS, Stata, Python, EViews • 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗧𝗼𝗼𝗹𝘀: Excel, Tableau, Power BI • 𝗔𝗻𝗮𝗹𝘆𝘀𝗶𝘀 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝘁𝗶𝗲𝘀: Trends/Patterns Identification, Customer segmentation/Cluster Analysis, Customer Churn/Retention normal and abnormal level, Structural Equation Modeling (SEM), Confirmatory Factor Analysis (CFA), Exploratory Factor Analysis (EFA), Multivariate Regression, Time Series Analysis, Survival Analysis, Predictive Modeling, Survey Analysis 𝐖𝐡𝐚𝐭 I propose for you 1. 𝗗𝘂𝗮𝗹-𝗗𝗼𝗺𝗮𝗶𝗻 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: I seamlessly switch between business analytics and academic research requirements, providing tailored approaches for each. 2. 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻-𝗢𝗿𝗶𝗲𝗻𝘁𝗲𝗱 𝗔𝗻𝗮𝗹𝘆𝘀𝗶𝘀: Rather than just running numbers, I transform your data into actionable stories that identify clear trends, segments, decision points or scientific relevant results. 3. 𝗠𝗲𝘁𝗵𝗼𝗱𝗼𝗹𝗼𝗴𝗶𝗰𝗮𝗹 𝗙𝗹𝗲𝘅𝗶𝗯𝗶𝗹𝗶𝘁𝘆: I don't force your data into pre-determined analytical frameworks. Instead, I select and customize the most appropriate methodologies based on your specific research questions or business objectives. 4. 𝗙𝘂𝗹𝗹 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Every analysis includes comprehensive documentation, visualization, methodology explanation, and ongoing support to ensure you fully understand and can confidently use the results. 5. 𝗩𝗮𝗹𝘂𝗲-𝗔𝗱𝗱𝗲𝗱 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀: I consistently go beyond the initial scope to extract the maximum possible insights from your data, often identifying unexpected patterns that provide additional value. 𝐅𝐨𝐫 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 I translate complex data into clear business intelligence that drives decision-making: • Customer churn/retention modeling • Sales forecasting and demand prediction • Market segmentation and customer behavior analysis • Business performance metrics and KPI development • Competitive analysis and market positioning 𝐅𝐨𝐫 𝐀𝐜𝐚𝐝𝐞𝐦𝐢𝐜 & 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 I provide robust analytical support for research at all levels: • Dissertation and thesis statistical analysis • Preparation of results for peer-reviewed publications • Research design and methodology consultation • Complex multivariate analysis with full documentation • Interpretation of findings with relevant academic references 𝐌𝐲 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡 𝐭𝐨 𝐄𝐯𝐞𝐫𝐲 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 1. 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 your objectives and questions thoroughly before touching the data 2. 𝗔𝘀𝘀𝗲𝘀𝘀 𝗱𝗮𝘁𝗮 quality and structure to determine optimal analytical approaches 3. 𝗔𝗻𝗮𝗹𝘆𝘇𝗲 using appropriate methodologies with rigorous validation 4. 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗲 results using clear, compelling graphics that tell the data's story 5. 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 methods and findings with comprehensive yet accessible explanations 6. 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 your understanding through consultation and answering questions 𝐂𝐥𝐢𝐞𝐧𝐭 𝐂𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 When you work with me, you partner with an analyst who treats your project as a priority. I pride myself on being: • Responsive and accessible throughout the project lifecycle • Meticulous about accuracy and methodological rigor • Flexible in accommodating evolving project needs • Committed to delivering actionable insights, not just statistical outputs • Dedicated to your complete understanding and satisfaction 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐲𝐨𝐮𝐫 𝐝𝐚𝐭𝐚 𝐢𝐧𝐭𝐨 𝐜𝐥𝐞𝐚𝐫 𝐢𝐧𝐬𝐢𝐠𝐡𝐭𝐬 𝐭𝐡𝐚𝐭 𝐝𝐫𝐢𝐯𝐞 𝐝𝐞𝐜𝐢𝐬𝐢𝐨𝐧𝐬 𝐨𝐫 𝐬𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐞𝐧 𝐫𝐞𝐬𝐞𝐚𝐫𝐜𝐡? 𝐋𝐞𝐭'𝐬 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐡𝐨𝐰 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐦𝐚𝐤𝐞 𝐲𝐨𝐮𝐫 𝐝𝐚𝐭𝐚 𝐰𝐨𝐫𝐤 𝐟𝐨𝐫 𝐲𝐨𝐮.